// 获取cookie
function getCookie(name) {
    var arr, reg = new RegExp("(^| )" + name + "=([^;]*)(;|$)")
    if (arr = document.cookie.match(reg)) {
        return (arr[2])
    } else {
        return null
    }
}

// 设置cookie,增加到vue实例方便全局调用
function setCookie(c_name, value, expiredays) {
    var exdate = new Date()
    exdate.setDate(exdate.getDate() + expiredays)
    document.cookie = c_name + "=" + escape(value) + ((expiredays == null) ? "" : ";expires=" + exdate.toGMTString())
}

// 删除cookie
function delCookie(name) {
    var exp = new Date()
    var cval = getCookie(name)
    exp.setTime(exp.getTime() - 1)

    if (cval != null) {
        document.cookie = name + "=" + cval + ";expires=" + exp.toGMTString()
    }
}

module.exports = {
    getCookie: getCookie,
    setCookie: setCookie,
    delCookie: delCookie
}
